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Patent Searching and Data


Matches 351 - 400 out of 5,491

Document Document Title
WO/2001/096267A1
A process is disclosed for producing fluorinated benzene. The process involves (a) contacting chlorobenzene starting material with a metal fluoride composition of the formula (AgF)(MF¿2?)¿x? (where M is Mn, Fe, Co, Ni, Cu, Zn or a mixt...  
WO/2001/096266A1
A process is provided for increasing the fluorine content of benzene or pyridine rings which are optionally substituted with from 1 to 3 inert substituents. The process involves (a) contacting the ring with a metal fluoride composition c...  
WO/2001/085649A2
A method for synthesizing compounds of Formula (I) in which R is alkyl or aryl and X is any halogen is described.  
WO/2001/081349A1
A novel, optically active, quaternary ammonium salt with axial asymmetry which is useful as a phase-transfer catalyst with which a glycine derivative is stereoselectively alkylated to convert it into an optically active $g(a)-amino acid ...  
WO/2001/081477A1
A substance for refractive index regulation which has satisfactory compatibility with a noncrystalline fluoropolymer (A); and a light-transmitting material comprising a composition of the polymer (A) combining high transparency with heat...  
WO/2001/079148A2
A method of making a benzoyl halide is disclosed. Into a reactor is placed a reaction mixture of a benzotrihalide and a benzaldehyde having the respective general formulas (1) and (2), where each A is independently selected from halogen,...  
WO/2001/074746A1
According to the invention, 2,3,4,5-tetrachlorobenzotrifluoride is prepared by chlorinating 4-chlorobenzotrifluoride with elementary chlorine. The chlorination is conducted in the presence of 0.1 to 2 wt. % iron (III) chloride and 0.5 to...  
WO2001017972A3
The invention relates to novel compounds of formula (I), wherein the substituents have the significance cited in claim (1) and the agronomically compatible salts, isomers and enantiomers of said compound, which are suitable for use as he...  
WO/2001/068575A1
A cation or acid generator which, upon irradiation with energy rays, can generate cations or an acid with high sensitivity and which is suitable for use in chemical amplification type resist materials. It comprises an energy-ray-sensitiv...  
WO/2001/064611A1
Polyacene derivatives of the general formula (I); a process for preparing the derivatives from polyhydro compounds; and electrically conductive materials containing the derivatives: In said formula (I) R?1¿ to R?10¿ are each hydrogen, ...  
WO2001038337A3
One aspect of the present invention relates to optionally substituted halogenated benzyl halides and the like. These compounds are useful as halogenated benzyl ether-based protecting groups for a variety of functional groups. Another asp...  
WO/2001/060946A2
A new class of asymmetric polar diphenyldiacetylene liquid crystal compounds and method for preparation are disclosed. The new class of liquid crystal compounds comprises the basic structure (5), wherein R¿1? is an alkenyl group having ...  
WO/2001/058846A1
A method for manufacturing 3,5-difluoroaniline by fluorinating 1,3,5-trichlorobenzene and then aminating the intermediate fluorinated benzene with aqueous or anhydrous ammonia to achieve the product in yields of greater than 80 %.  
WO/2001/058862A1
The invention relates to a method for producing diaryliodonium sulfonates in high yields and with a high degree of purity and then isolating the same, by reacting special diaryliodonium salts with an aliphatic or aromatic sulfonic acid o...  
WO/2001/056962A1
Perfluoroisopropylbenzene derivatives of the general formula (I) or salts thereof, useful as intermediates or raw materials in the synthesis of various industrial materials including agricultural chemicals, drugs and surfactants, wherein...  
WO1999015129A3
Selective inhibitors of the cPLA2 enzymes are provided which are of use in controlling a wide variety of inflammatory diseases. The inhibitors of the present invention have general formula (i), where (R<1>), p, D, Y, Z, R, R and A are as...  
WO/2001/051437A1
Disclosed is a method of separating the meta isomer of a haloalkylbenzene having general formula (I) from a mixture with at least one other isomer, where X is C1 or Br and R is alkyl from C¿2? to C¿12? of cycloalkyl from C¿3? to C¿8?...  
WO/2001/040167A1
A production process by which an onium salt derivative useful as, e.g., an acid generator in resists of the chemical amplification type can be synthesized in high yield. The process comprises reacting an onium salt derivative having a ha...  
WO/2001/038337A2
One aspect of the present invention relates to optionally substituted halogenated benzyl halides and the like. These compounds are useful as halogenated benzyl ether-based protecting groups for a variety of functional groups. Another asp...  
WO/2001/030727A1
Disclosed is a method of increasing the percentage of certain isomers made when di or tri-substituted benzenes are chlorinated in the presence of a Friedel-Crafts catalyst. The use of about 0.001 to about 1 wt.% a cocatalyst during chlor...  
WO/2001/030728A1
Disclosed is a method of making high purity 2,4- and 3,4-dichlorotoluene from parachlorotoluene that contains some metachlorotoluene. About 0.0001 to about 5 wt% of a Friedel-Crafts catalyst and about 0.5 to about 10 equivalents of a bro...  
WO/2001/023329A1
The invention relates to a method for brominating organic compounds and to bromination microreactors for carrying out said method.  
WO/2001/017972A2
The invention relates to novel compounds of formula (I), wherein the substituents have the significance cited in claim (1) and the agronomically compatible salts, isomers and enantiomers of said compound, which are suitable for use as he...  
WO2000071500A8
The invention relates to novel halogen compounds, to a method for producing them and to their use for treating plants for protecting them against attack from phytopathogenic microorganisms and insects. The invention also relates to novel...  
WO/2001/010803A1
A novel compound represented by general formula (I) and a nematic liquid crystal composition containing the same. A compound represented by general formula (I) can be produced with great ease as is shown in an example and has excellent c...  
WO1998005610A3
A process is disclosed for preparing fluorine-containing compounds by reacting a compound which contains a halogen that can be replaced by fluorine with a fluoride or a mixture of fluorides of general formula (I): MeF, in the presence of...  
WO/2000/076947A1
The present invention is concerned with a novel process for the preparation of 3,5-bis(trifluoromethyl)bromobenzene (CAS 328-70-1). This compound is useful as an intermediate in the synthesis of compounds which possess pharmacological ac...  
WO/2000/076946A1
A process is described for the preparation of compounds having the formula (I) C¿6?F¿4?HX, wherein X is Br or C1, which comprises reacting tetrafluorobenzene with a halogen in the presence of a Lewis acid catalyst.  
WO/2000/071500A1
The invention relates to novel halogen compounds, to a method for producing them and to their use for treating plants for protecting them against attack from phytopathogenic microorganisms and insects. The invention also relates to novel...  
WO/2000/069798A1
According to the invention, 4-chlorobiphenyl is produced in a particularly advantageous manner by reacting biphenyl and chlorine in the presence of core chlorinating catalysts and by subjecting the resulting reaction mixture to a fractio...  
WO/2000/069823A1
The present invention relates to ion channel modulating agents. More particularly, the present invention relates to a particular class of chemical compounds represented by general Formula (I) and a pharmaceutically acceptable salt or an ...  
WO/2000/061531A1
The invention relates to a method of producing mono-, bi- and/or polyfunctional biaryls of the general formula (I) Ar-Ar' by reacting halogenated aromatics of the general formula (II) Ar-X with boron compounds of the general formula (III...  
WO/2000/029360A1
Disclosed is a method of separating the meta isomer of a halotoluene having general formula (I) from a mixture with at least one other isomer, where X is Cl or Br. About 0.0001 to about 5 wt% of a Friedel-Crafts catalyst is added to the ...  
WO2000010952B1
A decahydronaphthalene derivative represented by general formula (I), a liquid-crystal composition containing the derivative; and a liquid-crystal element containing the composition. The decahydronaphthalene derivative, which is a novel ...  
WO/2000/020364A1
Bromine-containing 1,2-bis(phenyl)difluoromethanes of formula (I)wherein x=1-5, and y=0-5. Also, a method for the preparation of these compounds. The compounds of formula (I) are useful as intermediates in producing compounds exhibiting ...  
WO/2000/020363A1
Bromine-containing 1,2-bis(phenyl) tetrafluoro ethanes of formula (I) wherein x=1-5, and y=0-5. Also, a method for the preparation of these compounds. The compounds of formula (I) are useful as intermediates in producing compounds exhibi...  
WO/2000/012449A1
An allylic compound is reacted with an organozinc compound Zn(R?6¿)¿2? to eliminate a group (the leaving group) from the allylic compound and to add a group from the organozinc compound to it in the presence of a copper salt catalyst a...  
WO/2000/010952A1
A decahydronaphthalene derivative represented by general formula (I), a liquid-crystal composition containing the derivative; and a liquid-crystal element containing the composition. The decahydronaphthalene derivative, which is a novel ...  
WO/2000/009475A1
Amine derivatives represented by general formula (1) or their salts, wherein R?1¿ represents C¿1-4? alkyl; R?2¿ represents (i), or (ii), (iii); R?3¿ represents C¿1-3? alkyl, hydroxylated C¿1-5? alkyl, C¿1-5? acyl, C¿2-5? alkenyl ...  
WO/2000/007968A1
Novel 2-substituted 7-haloindenes and methods for synthesizing such indenes are described. The 2-substituted 7-haloindenes may be coupled with any aryl group to produce a metallocene catalyst intermediate.  
WO1999055718A3
Multifunctional liquid phase carriers (LPCs) and methods of using LPCs for the preparation of biopolymers are provided. The LPCs are highly symmetrical compounds that possess more than two points of attachment for biopolymer synthesis. T...  
WO/1999/058484A1
An azeotrope-like composition comprising a perfluorobutyl methyl ether and a brominated hydrocarbon. The azeotrope-like composition has excellent dissolving ability.  
WO/1999/055718A2
Multifunctional liquid phase carriers (LPCs) and methods of using LPCs for the preparation of biopolymers are provided. The LPCs are highly symmetrical compounds that possess more than two points of attachment for biopolymer synthesis. T...  
WO1999031036A3
The invention describes O-derivatives of halogenated diphenyl ether compounds of formula (1), in which R1 and R2 independently of one another are F, Cl or Br; Y is a radical of formula (1a); (1b); (1c); (1d); (1e) or (1f); R3 is C1-C22al...  
WO/1999/054385A1
A copolymer comprising 10-90 % by weight of groups of Formula (I) and from 10-90 % by weight of groups selected from Formulas (II), (III), and (IV) and mixtures thereof; wherein R?1¿ is independently in each occurrence H, C¿1?-C¿20? h...  
WO/1999/051609A1
The invention relates to a method for producing grignard compounds of formula (I). The invention also relates to compounds of formula (I) in polymer bonded compounds of formula (Ia). The invention further relates to the use of the invent...  
WO/1999/050210A1
The invention relates to vinylene and ethyl compounds of formula (I), wherein R?1¿, R?2¿, A?1¿, Z?1¿, Z?2¿, Z?3¿, m and n have the meanings given in claim 1. The inventive compounds are suitable as components of liquid crystalline ...  
WO/1999/050207A1
The invention concerns a method for preparing 2-chloro-1-cyclohexyl-4-ethynylbenzene from 1-(3-chloro-4-cyclohexylphenyl) either by forming 3-chloro-3-(3-chloro-4-cyclohexylphenyl)propenal, $i(Z), a novel compound, or by the action of a ...  
WO/1999/047479A1
The invention relates to a method for chlorinating ketones which apart from the carbonyl group are inert in relation to triarylphosphine dichlorides, except cyclopropyl methyl ketone. According to said method the ketones are reacted with...  
WO/1999/047474A1
This invention relates to a novel, inventive process for the preparation of biphenyls or aromatic olefins by coupling reactions of the Suzuki coupling and Heck coupling type, using allylpalladium catalysts of the $g(m)-halo(triisopropylp...  

Matches 351 - 400 out of 5,491